What is the limit of human athletic ability? One long-distance runner will try to find out on Saturday in Vienna, Austria, when he attempts to be the first person to run a marathon under 1:59:59. The World’s Jessica Yarmosky has the story.
We want to hear your feedback so we can keep improving our website, theworld.org. Please fill out this quick survey and let us know your thoughts (your answers will be anonymous). Thanks for your time!